Vertical Wind Tunnels using green technology

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The discussion centers on the development of a vertical wind tunnel for indoor skydiving that utilizes green technology to minimize energy consumption. The original poster aims to design a 6-meter wide tunnel, which would require significantly more power than conventional designs, and seeks innovative solutions for energy reclamation from air movement. Participants emphasize the challenges of achieving energy efficiency while adhering to the laws of physics, noting that any energy generated must be balanced with energy used. Suggestions include exploring solar updraft towers and advanced fan technologies, though skepticism remains about the feasibility of entirely new inventions without substantial investment. The overarching goal is to create a sustainable model that showcases alternative energy solutions while reducing operational costs.
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Thread will remain closed for now. @PD Chant you can PM me to make a case for re-opening the thread. Keep in mind that the PF is a mainstream scientific website, and we do not allow challenges to good engineering work. Engineering is about optimizations.
 
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